$OpenBSD: patch-ui_views_corewm_tooltip_aura_cc,v 1.2 2016/12/10 15:35:25 robert Exp $
--- ui/views/corewm/tooltip_aura.cc.orig.port	Fri Dec  2 00:02:39 2016
+++ ui/views/corewm/tooltip_aura.cc	Fri Dec  2 17:44:57 2016
@@ -34,7 +34,7 @@ const int kCursorOffsetY = 15;
 
 // TODO(varkha): Update if native widget can be transparent on Linux.
 bool CanUseTranslucentTooltipWidget() {
-#if defined(OS_LINUX) && !defined(OS_CHROMEOS)
+#if (defined(OS_BSD) || defined(OS_LINUX)) && !defined(OS_CHROMEOS)
   return false;
 #else
   return true;
